They changed the way the world looked at women. They flew planes, swam across the English Channel, decoded the DNA, enthralled cinemagoers and commanded respect in every field traditionally dominated by men. On the 100th anniversary of International Women's Day, here's our top 100 coolest women of all time. The names are in no particular order. By: Ruchira Singh, Rituparna Chatterjee and Soumyadip Choudhury.

100. Michelle Obama
American first lady, the wife of Barack Obama, 44th president of the United States. She is the first African American first lady.